package com.jxx.config;

import org.apache.shiro.session.mgt.SessionManager;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.apache.shiro.web.session.mgt.DefaultWebSessionManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @author Zcc
 * @desc 使用shiro框架实现登录拦截
 * @date 2020年11月18日23:49:32
 */
@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        //添加shiro的内置过滤器
        /*
            anon: 无需认证就可以访问
            authc: 必须认证才能访问
            user: 必须拥有 记住我 功能才能用
            perms: 拥有某个资源的权限才能访问
            role: 拥有某个角色权限才能访问
         */
        //拦截
        Map<String,String> filterMap = new LinkedHashMap<>();
        /*filterMap.put("/user/add", "authc");
        filterMap.put("/user/update", "authc");*/
        filterMap.put("/backStage/*", "authc");
        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录的请求
        bean.setLoginUrl("/login");

        return bean;
    }

    //DefaultWebSecurityManager:2
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(
                                    @Qualifier("adminRealm") AdminRealm adminRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联AdminRealm
        securityManager.setRealm(adminRealm);
        return securityManager;
    }

    //创建realm对象,需要自定义类:1
    @Bean
    public AdminRealm adminRealm(){
        return new AdminRealm();
    }
}
